···

       
81
       
81
       
 
       
}

     

       
82
       
82
       
 
       


     

       
83
       
83
       
 
       
let safeGlobal: Record<string | symbol, unknown> | void;

     

       
84
       
84
       
+
       
let vmGlobals: Record<string | symbol, unknown> = {};

     

       
84
       
85
       
 
       


     

       
85
       
86
       
 
       
function makeSafeGlobal() {

     

       
86
       
87
       
 
       
  if (safeGlobal) {

     
···

       
101
       
102
       
 
       


     

       
102
       
103
       
 
       
  // When we're in the browser, we can go a step further and try to create a

     

       
103
       
104
       
 
       
  // new JS context and globals in a separate iframe

     

       
104
       
104
       
-
       
  let vmGlobals = trueGlobal;

     

       
105
       
105
       
+
       
  vmGlobals = trueGlobal;

     

       
105
       
106
       
 
       
  let iframe: HTMLIFrameElement | void;

     

       
106
       
107
       
 
       
  if (typeof document !== 'undefined') {

     

       
107
       
108
       
 
       
    try {

     
···

       
176
       
177
       
 
       
  const safeGlobal = makeSafeGlobal();

     

       
177
       
178
       
 
       
  const code = args.pop();

     

       
178
       
179
       
 
       


     

       
180
       
180
       
+
       
  // Retrieve Function constructor from vm globals

     

       
181
       
181
       
+
       
  const Function = vmGlobals.Function as FunctionConstructor | void;

     

       
182
       
182
       
+
       
  const Object = vmGlobals.Object as ObjectConstructor;

     

       
183
       
183
       
+
       
  const createFunction = (Function || Object.constructor.constructor) as FunctionConstructor;

     

       
184
       
184
       
+
       


     

       
179
       
185
       
 
       
  // We pass in our safe global and use it using `with` (ikr...)

     

       
180
       
186
       
 
       
  // We then add a wrapper function for strict-mode and a few closing

     

       
181
       
187
       
 
       
  // statements to prevent the code from escaping the `with` block;

     

       
182
       
182
       
-
       
  const fn = new Function(

     

       
188
       
188
       
+
       
  const fn = createFunction(

     

       
183
       
189
       
 
       
    'globalThis',

     

       
184
       
190
       
 
       
    ...args,

     

       
185
       
191
       
 
       
    'with (globalThis) {\n"use strict";\nreturn (function () {\n' +